Step 1. Go the Command Room and accept the Field-Op.
Step 2. Go to the Mine Shack and walk to the Herbert statue.
Step 3. Puzzle found! You need to match the frequency. To do this, look at the number they give you in the box. Match the line to the number on the circle by pressing the space bar.
You've finished the Field-Op mission! Here's your medal!
With these medals, you can buy Elite Gear! Each item is worth a certain amount of medals.
Visit us next week for the new Field-Ops cheats!